On Fri, 9 Sep 2016, Guy Sotomayor Jr wrote:
Actually it actually *does* exist and is reasonable to
manufacture. Here?s the
article:
http://www.nrl.navy.mil/media/news-releases/2015/transparent-armor-from-nrl…
It?s basically a sintered process where the ceramic is formed (this particular one is
called spinel)
and the process is to put the powder in a press, raise the temperature and evacuate the
air.
The result is a clear crystal that has better properties than glass. The size of the
piece is only
limited by the size of the press.
>> Ah yes, but can you make in sheets 60 feet by
10 feet by 1 inch thick and
>> withstand the pressure of 18,000 cu ft of water? :)
THAT would be a big heated vacuum press